diff --git a/backend/requirements.txt b/backend/requirements.txt
index 78c9d7c..dbca434 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2021.10.8
+certifi==2022.5.18
 dnspython==2.2.1
 eventlet==0.33.0
 greenlet==1.1.2